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Cyril Valentin


Financial services | Infrastructure | Mergers and acquisitions | Private capital | Tax |

He provides best-in-class advice, has a deep understanding of the market and is extremely responsive.

Chambers Europe 2023

Profile details

About Cyril Valentin

Avocat à la cour, Cyril is a partner in our international tax practice group.

Cyril advises a wide range of French and international clients (corporations, financial institutions, investment funds) on the tax-related aspects of domestic and cross-border public and private mergers, acquisitions and reorganisations, leveraged buy-outs, financings, debt restructurings, and real estate transactions.  He also has extensive tax litigation experience, in the French tax courts and the CJEU.

He is ranked as a leading tax practitioner in Chambers Europe, Legal 500, and International Tax Review (ITR), and is featured as one of France’s most prominent tax litigators in ITR’s Tax Controversy Leaders.

Cyril is fluent in French, English, and German.

Recent work

  • Representing Sofina, the Belgian investment company, in contentious reclaims of past paid French dividend withholding taxes on the basis of EU non-discrimination principles. This included successful representation in the French tax courts, two French supreme court wins, and a landmark win in the CJEU (Sofina, C-575/17, 22 Nov. 2018).
  • Advising EDF, the French utility, on the € 2bn acquisition of a majority stake in Framatome, Areva’s nuclear reactors division.
  • Advising Icade, the French listed REIT, on the structuring and establishment of its platform for investments in healthcare real estate throughout Western Europe, including actual and projected investments in clinics and nursing homes portfolios in Germany, Italy, and Belgium.
  • Advising many global financial institutions (including Goldman Sachs, HSBC, and JP Morgan) on the tax aspects of their Brexit-induced reorganisations, including relocations of business activities to France and build-outs of their French presences.
  • Representing successfully a US-based multinational in the consumer goods sector on a BEPS-inspired challenge in which the French tax authorities were arguing that the company’s European sales commissionaire structure was artificial and relied on inappropriate transfer pricing.



  • HEC Paris, France (Grande Ecole)
  • Law School of the University of Paris XI, France (DESS in international taxation)
  • New York University, NYC (LL.M. in international taxation)


  • International Fiscal Association

Additional responsibilities

  • Lectures on international corporate taxation for the joint graduate programme of HEC Paris and the Law School of the University of Paris II Panthéon-Assas


  • RTDF n° 61, 30 mars 2023. À la recherche du taux perdu : point d’étape sur la jurisprudence fiscale en matière de justification du taux d’intérêt de marché

  • RTDF n° 3/2022 Pilier 2, impôt minimum mondial et fonds d'investissement : bref état des lieux.

  • Fiscalité internationale, Septembre 2022 L’arrêt Planet : retour sur Terre pour la notion de bénéficiaire effectif ?